/**
 * Copyright [2019] [LiBo/Alex of copyright liboware@gmail.com ]
 * <p>
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * <p>
 * http://www.apache.org/licenses/LICENSE-2.0
 * <p>
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.hyts.classcode.compiler.handler.impl;

import com.hyts.classcode.compiler.handler.SourceCompiler;
import com.hyts.guava.object.Objects;

import java.io.*;

/**
 * @project-name:coffice-toolbox
 * @package-name:com.hyts.classcode.compiler.handler
 * @author:LiBo/Alex
 * @create-date:2019-10-21 18:28
 * @copyright:libo-alex4java
 * @email:liboware@gmail.com
 * @description:
 */
public class FileSourceCompiler implements SourceCompiler<File> {


    /**
     * 采用代理模式进行操作-fileSource主要为读取文件进行生成字符串代码
     */
    StringSourceCompiler stringSourceCompiler = new StringSourceCompiler();


    @Override
    public Class compiler(String publicKindName, File sourceEntity) {
        //判断file文件对象是否有效
        if(Objects.isNull(sourceEntity) || !sourceEntity.exists()){
            throw new IllegalArgumentException("sourceEntity文件对象不可以为空或者不存在!");
        }
        //文件
        try(
            BufferedReader bufferedReader = new BufferedReader(new
                    InputStreamReader(new FileInputStream(sourceEntity)));
            StringWriter stringWriter = new StringWriter()
        ) {
            bufferedReader.lines().forEach(stringWriter::append);
            System.out.println(stringWriter);
            return stringSourceCompiler.compiler(publicKindName,stringWriter.toString());
        } catch (FileNotFoundException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }
        return null;
    }
}
